Smr880 Firmware 〈iOS〉

Use XMODEM. For devices of this vintage (the SMR880 era), the standard file transfer protocol is rarely FTP or HTTP. It is almost always XMODEM or Kermit .

often release updates in waves; if you see "Latest version installed," your region or carrier may not have released the newest build yet. Device Specifications at a Glance Galaxy Watch4 Classic (SM-R880) - Notify Update - Samsung smr880 firmware